CN115207828A

CN115207828A - Anti-toppling device and switch cabinet

Info

Publication number: CN115207828A
Application number: CN202211043036.9A
Authority: CN
Inventors: 易林; 彭在兴; 金虎; 陈佳莉; 张�杰; 王帅兵
Original assignee: CSG Electric Power Research Institute
Current assignee: CSG Electric Power Research Institute
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-10-18

Abstract

The application discloses anti-toppling device and cubical switchboard relates to power equipment technical field, and wherein anti-toppling device includes fixing base, the head rod of adjustable length, the second connecting rod of adjustable length, bracing piece and safety hook. The fixing base is installed on the handcart panel, and first connecting rod one end is connected with the fixing base, and the handcart panel setting is kept away from to the other end so that the first connecting rod slope distributes, and the bracing piece is on a parallel with the setting of handcart panel and installs on the first connecting rod other end, and second connecting rod one end is connected with the bracing piece, and the other end is connected with the handcart panel. The anti-toppling support is constructed by designing the first connecting rod, the second connecting rod and the supporting rod, when the handcart is toppled, the anti-toppling support is toppled synchronously, and the supporting rod is contacted with the ground immediately, so that the supporting and anti-toppling functions are achieved. Moreover, the falling protector and the anti-falling support are combined to realize double-anti-falling safety, so that the anti-falling safety is greatly improved.

Description

Anti-toppling device and switch cabinet

Technical Field

The application relates to the technical field of power equipment, in particular to an anti-dumping device and a switch cabinet.

Background

A movable switch cabinet is one of switch cabinets and consists of two parts, namely a fixed cabinet body and a drawable part (a handcart for short). When overhauing the operation, need pull out the handcart to the external of cabinet from the internal experimental position of cabinet, for the convenience of handcart pull-out, the guide rail of slope has been placed usually to the external of cabinet. However, due to the fact that the overall mass of the handcart is large, the handcart can possibly topple over in the process of pulling the handcart on the guide rail, and then potential risks of personal accidents caused by pressing the handcart on an operator exist.

Disclosure of Invention

In view of this, the present application aims to provide an anti-toppling device and a switch cabinet, which solve the problem that in the process of pulling a handcart on a guide rail at present, the handcart may topple over, and further, potential risks of personal accidents caused by pressing of operators exist.

In order to achieve the technical purpose, the application provides an anti-toppling device which comprises a fixed seat, a first connecting rod with adjustable length, a second connecting rod with adjustable length, a supporting rod and an anti-toppling device;

the fixed seat is arranged on a panel of the handcart;

one end of the first connecting rod is connected with the fixed seat, and the other end of the first connecting rod is far away from a panel of the handcart, so that the first connecting rod is obliquely distributed;

the supporting rod is arranged in parallel to a panel of the handcart and is arranged at the other end of the first connecting rod;

one end of the second connecting rod is connected with the supporting rod, and the other end of the second connecting rod is connected with a panel of the handcart;

the safety hook is arranged on the fixed seat or the panel of the handcart and is connected with the cabinet body.

Further, the falling protector comprises a falling protector body, a first connecting hook and a second connecting hook;

the first connecting hook is connected with the safety rope of the falling protector body;

the second connecting hook is connected with the shell of the falling protector body;

the device also comprises a first hanging ring and a second hanging ring;

the first hanging ring is arranged on the cabinet body and is connected with the hook head of the first connecting hook;

the second hanging ring is arranged on a panel of the handcart or the fixed seat and is connected with the hook head of the second connecting hook.

Furthermore, the number of the second hanging rings and the number of the second connecting hooks are two;

the second hanging rings are horizontally installed on a panel of the handcart or the fixed seat at intervals and are connected with the hook heads of the second connecting hooks in a one-to-one correspondence mode.

Furthermore, the first hanging ring and the second hanging ring are both threaded ball head hanging rings.

Furthermore, one end of the first connecting rod is hinged with the fixed seat;

one end of the second connecting rod is hinged to the supporting rod, and the other end of the second connecting rod is detachably hinged to a panel of the handcart.

Furthermore, the first connecting rod comprises a first rod body, a first screw rod and a second rod body;

one end of the first rod body is connected with the fixed seat;

one end of the first screw rod is rotatably connected with the first rod body along the length direction of the first rod body;

one end of the second rod body is provided with a first threaded hole for the first screw rod to extend into and be in threaded fit with the first screw rod, and the other end of the second rod body is connected with the supporting rod;

the second connecting rod comprises a third rod body, a second screw and a fourth rod body;

one end of the third rod body is connected with a panel of the handcart;

one end of the second screw is rotatably connected with the third rod body along the length direction of the third rod body;

one end of the fourth rod body is provided with a second threaded hole for the second screw rod to extend into and to be in threaded fit with the second screw rod, and the other end of the fourth rod body is connected with the supporting rod.

Furthermore, a third threaded hole communicated with the first threaded hole is formed in the second rod body;

a first threaded fastener is arranged on the third threaded hole;

one end of the first threaded fastener extends into the first threaded hole and can be abutted against the first screw rod in a contact manner;

a fourth threaded hole communicated with the second threaded hole is formed in the fourth rod body;

a second threaded fastener is arranged on the fourth threaded hole;

one end of the second threaded fastener extends into the second threaded hole and can be abutted against the second screw rod in a contact manner.

Furthermore, a plurality of buffer parts are arranged on one surface of the supporting rod, which is in contact with the ground.

Further, the buffer piece comprises a guide pillar, a fastening nut, a spring and a support plate;

the guide post movably penetrates through the support rod, and one end of the guide post penetrating out of the support rod downwards is connected with the support plate;

the support plate can be in contact with the ground;

the spring is sleeved on the guide post and positioned between the support plate and the support rod, one end of the spring is contacted and propped against the support plate, and the other end of the spring is contacted and propped against the support rod;

the fastening nut is sleeved on the column section of the guide column, which extends upwards out of the support rod, and is abutted with the support rod in a contact manner.

The application also discloses a switch cabinet, which comprises a switch cabinet body and the anti-toppling device;

the switch cabinet body includes the cabinet body and handcart.

According to the technical scheme, the anti-toppling device comprises a fixing seat, a first connecting rod with adjustable length, a second connecting rod with adjustable length, a supporting rod and a falling protector. Wherein, the fixing base is installed on the handcart panel, and head rod one end is connected with the fixing base, and the handcart panel setting is kept away from to the other end so that the head rod slope distributes, and the bracing piece is on a parallel with the setting of handcart panel and installs on the head rod other end, and second connecting rod one end is connected with the bracing piece, and the other end is connected with the handcart panel. The anti-toppling support is constructed by designing the first connecting rod, the second connecting rod and the supporting rod, when the handcart normally moves, the supporting rod is not in contact with the ground, and when the handcart topples, the anti-toppling support topples synchronously and the supporting rod is in contact with the ground immediately, so that the supporting and anti-toppling functions are achieved. And the first connecting rod and the second connecting rod are both adjustable length designs, so that the handcart with different heights can be suitable for, and the applicability is further improved. Furthermore, the falling protector is arranged on the fixed seat or the handcart panel and is connected with the cabinet body. When the handcart is toppled, larger impulse exists, the falling protector can be subjected to self locking, so that the falling prevention function is achieved, the falling prevention support is combined with the falling prevention support to achieve double falling prevention safety, and the falling prevention safety is greatly improved. The problem of present pulling handcart on the guide rail process, the handcart probably can take place to empty, and then has to press the potential risk that operating personnel caused the personal accident is effectively solved.

According to the technical scheme, the switch cabinet comprises the cabinet body, the handcart and the anti-dumping device, the anti-dumping device has the same beneficial effect as the anti-dumping device, the current process of pulling the handcart on the guide rail can be effectively solved, the handcart can be dumped possibly, and the problem of potential risk of personal accidents caused by pressing the operator is solved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a diagram of an anti-toppling device in use according to the present application;

FIG. 2 is a side view of an anti-toppling device provided in the present application without a fixed seat and a fall arrester;

FIG. 3 is a front view of an anti-toppling device provided in the present application without a fixed seat and a safety catch;

fig. 4 is a schematic structural view of a PT vertically-mounted hand truck;

fig. 5 is a schematic structural diagram of a PT horizontally-mounted handcart;

FIG. 6 is a schematic structural diagram of a PT common handcart;

fig. 7 is a schematic structural view of a PT fixedly installed handcart;

in the figure: 100. a cabinet body; 200. a handcart; 201. a panel; 1. a fixed seat; 11. a bolt; 12. cushion blocks; 13. a first side plate; 14. a top plate; 15. a second side plate; 2. a first connecting rod; 21. a first rod body; 22. a second rod body; 221. a first threaded hole; 23. a first screw; 24. a first threaded fastener; 25. a rotary connector; 3. a second connecting rod; 31. a third rod body; 32. a fourth rod body; 321. a second threaded hole; 33. a second screw; 34. a second threaded fastener; 4. a support bar; 5. a safety catch; 51. the anti-falling device body; 511. a first connecting hook; 512. a second connecting hook; 61. a first suspension loop; 62. a second suspension loop; 7. a buffer member; 71. fastening a nut; 72. a guide post; 73. a spring; 74. a support plate; 8. a reinforcing rod.

Detailed Description

The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts belong to the protection scope of the embodiments in the present application.

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

The embodiment of the application discloses anti-toppling device and switch cabinet.

Referring to fig. 1, an embodiment of an anti-tipping device and a switch cabinet provided in the embodiments of the present application includes:

the safety catch comprises a fixed seat 1, a first connecting rod 2 with adjustable length, a second connecting rod 3 with adjustable length, a supporting rod 4 and a safety catch 5.

The fixed base 1 is mounted on a panel 201 of the handcart 200. For convenience of installation, the fixing base 1 can be designed as shown in fig. 1 and 2, and includes a first side plate 13, a top plate 14 and a second side plate 15, the first side plate 13 and the second side plate 15 are vertically arranged at two side edges of the bottom surface of the top plate 14, so that the fixing base 1 is in an inverted U-like shape, and can be quickly clamped at the center of the upper end of the panel 201 of the handcart 200; for further improvement installation fastness, be provided with the fixed orifices on the first curb plate 13, the fixed orifices is the screw hole design, it is equipped with bolt 11 to insert on the fixed orifices, bolt 11 stretches into one pot head between first curb plate 13 and the second lateral wall has cushion 12, move toward 15 directions of second curb plate in order to drive cushion 12 through rotatory bolt 11, until making cushion 12 and handcart 200's panel 201 back contact counterbalance, second curb plate 15 forms the centre gripping with cushion 12 to handcart 200's panel 201 this moment, thereby accomplish fixing base 1's further reinforcement installation. In addition, the number of the fixing holes can be two or more, so that the fastening firmness is further improved. The fixing base 1 that this design was realized is installed, can need not carry out the trompil processing on the panel 201 of handcart 200, avoids carrying out secondary operation to the panel 201 of handcart 200, practices thrift the cost and is more convenient. Of course, other mounting and fixing manners are also possible, and those skilled in the art can make appropriate design changes based on the above-mentioned manner without limitation.

As for the first connecting rod 2, one end thereof is connected with the fixed seat 1, and the other end thereof is arranged far away from the panel 201 of the handcart 200 so as to enable the first connecting rod 2 to be distributed obliquely; the support rod 4 is arranged in parallel with the panel 201 of the handcart 200 and is arranged at the other end of the first connecting rod 2; one end of the second connecting rod 3 is connected with the supporting rod 4, and the other end is connected with the panel 201 of the handcart 200. The anti-toppling support is constructed by designing the first connecting rod 2, the second connecting rod 3 and the supporting rod 4, when the handcart 200 normally moves, the supporting rod 4 is not in contact with the ground, and when the handcart 200 topples, the anti-toppling support topples synchronously and then the supporting rod 4 is in contact with the ground, so that the supporting and anti-toppling functions are achieved. In addition, the first connecting rod 2 and the second connecting rod 3 are both designed to be adjustable in length, so that the handcart 200 with different heights can be suitable for, and the applicability is further improved.

The safety catcher 5 is mounted on the fixed base 1 or the panel 201 of the handcart 200 and connected with the cabinet 100. When the handcart 200 is toppled, large impulse exists, the falling protector 5 can be subjected to self locking, so that the handcart 200 is pulled through the cabinet body 100 to play a role in preventing toppling, the falling protector and the anti-toppling support are combined to realize double-prevention toppling protection, and the anti-toppling safety is greatly improved. The problem of present pulling handcart 200 on the guide rail process, handcart 200 probably can take place to empty, and then has to press the potential risk that operating personnel caused the personal accident is effectively solved.

The above is a first embodiment of an anti-toppling device and a switch cabinet provided in the embodiments of the present application, and the following is a second embodiment of an anti-toppling device and a switch cabinet provided in the embodiments of the present application, please refer to fig. 1 to 3 specifically.

The scheme based on the first embodiment is as follows:

further, as for the structural design of the falling protector 5, the falling protector can be designed by referring to the existing falling protector 5 or can be directly adopted, and specifically comprises a falling protector body 51, a first connecting hook 511 and a second connecting hook 512. The first connecting hook 511 is connected with the safety rope of the safety catcher body 51, and the second connecting hook 512 is connected with the outer shell of the safety catcher body 51.

In order to facilitate the connection and installation of the safety catcher 5, a first hanging ring 61 and a second hanging ring 62 are further included.

The first hanging ring 61 is installed at the top inside the cabinet 100 and connected with the hook head of the first connecting hook 511. The second hanging ring 62 is mounted on the panel 201 of the handcart 200 or on the fixed seat 1 and connected to the hook head of the second connecting hook 512. The second connecting hook 512 connected with the falling protector body 51 is connected with the panel 201 of the handcart 200 or the second hanging ring 62 on the fixed seat 1, so that the falling protector body 51 is installed and arranged, and then the first connecting hook 511 is slowly pulled out and connected with the first hanging ring 61 at the top in the cabinet body 100, so that the integral installation of the falling protector 5 can be completed.

Further, when the handcart 200 is toppled, the number of the second hanging rings 62 and the number of the second connecting hooks 512 are two in order to better pull the handcart 200; the second hanging rings 62 are horizontally installed on the panel 201 of the handcart 200 or the fixing base 1 at intervals, and are connected to the hook heads of the second connecting hooks 512 in a one-to-one correspondence manner. Through the design of two second links 62, can make handcart 200 receive the pulling force effect of two directions, compare in single-point atress, can be more stable apply handcart 200 a pulling force to better holding handcart 200.

Further, for the first hanging ring 61 and the second hanging ring 62, both threaded ball-head hanging rings may be used, and are not particularly limited.

In this application, the connected mode of the one end of second connecting rod 3 and panel 201 of handcart 200 can be the movable contact connection, under this design, can need not carry out secondary operation to panel 201 of handcart 200. With the design, the first connecting rod 2 can be connected with the fixed seat 1 and can be kept inclined, and the second connecting rod 3 is connected with the supporting rod 4 and can be kept horizontally.

Further, in order to achieve more flexible adjustment performance and convenience of storage, one end of the first connecting rod 2 may be designed to be hinged with the fixed seat 1; and one end of the second connecting rod 3 is hinged with the supporting rod 4, and the other end is detachably hinged with the panel 201 of the handcart 200. Articulated cooperation between head rod 2 and fixing base 1, the articulated cooperation of second connecting rod 3 and handcart 200's panel 201 and the relative normal running fit of second connecting rod 3 and head rod 2, make this the support of preventing empting of founding more nimble adjustable, the cooperation of dismantling of second connecting rod 3 and handcart 200's panel 201 simultaneously, when not using, can tear open second connecting rod 3, and transfer the section with head rod 2 and second connecting rod 3 respectively, it is together fixed to fold toward head rod 2 direction with second connecting rod 3 again, thereby play good storage effect. Taking the detachable hinged fitting of the second connecting rod 3 and the panel 201 of the handcart 200 as an example, two connecting blocks arranged at intervals can be arranged on the panel 201 of the handcart 200, and then one end of the second connecting rod 3 is inserted between the two connecting blocks, and then passes through the quick-release pin, and fixes one end of the second connecting rod 3 through the block-release pin, so that one end of the second connecting rod 3 can be rotatably connected between the two connecting blocks. Similarly, for the hinge fit between the other end of the second connecting rod 3 and the supporting rod 4 and the hinge fit between the first connecting rod 2 and the fixing seat 1, the hinge fit between the second connecting rod 3 and the panel 201 of the handcart 200 can also be referred to, which is not described in detail.

Further, in terms of the adjustable length design, the first connecting rod 2 is designed to include a first rod 21, a first screw 23 and a second rod 22.

One end of the first rod body 21 is connected with the fixed seat 1; one end of the first screw 23 is rotatably connected to the first rod 21 along the length direction of the first rod 21, and specifically, the first screw 23 is coaxially connected to the first rod 21 through a rotary connector 25. One end of the second rod 22 is provided with a first threaded hole 221 for the first screw 23 to extend into and to be in threaded fit with the first screw 23, and the other end of the second rod 22 is connected with the support rod 4. Through the design, when the length is adjusted, the first screw 23 can be driven to rotate by rotating the rotary connector 25, and then the first screw 23 is matched with the first threaded hole 221, so that the first screw 23 is deeper into the first threaded hole 221 to shorten the overall length, or the first screw 23 is deeper into the first threaded hole 221 to be shallower to prolong the overall length, and the length adjustment is realized. By adopting the adjusting mode, more accurate length adjustment can be realized, so that the handcart 200 with different heights can be accurately matched for use.

Similarly, the second connecting rod 3 is designed to include a third rod body 31, a second screw 33 and a fourth rod body 32; one end of the third rod 31 is connected with the panel 201 of the handcart 200; one end of the second screw 33 is rotatably connected with the third rod 31 along the length direction of the third rod 31; in particular, the second screw 33 is also coaxially connected to the third rod 31 by the rotary joint 25. One end of the fourth rod 32 is provided with a second threaded hole 321 for the second screw 33 to extend into and to be in threaded fit with the second screw 33, and the other end of the fourth rod 32 is connected with the support rod 4. The adjustment principle is the same as the first connecting rod 2, and therefore, the detailed description thereof is omitted.

Further, taking the above adjustable design manner as an example, in order to make the adjustable design means of the first connecting rod 2 more reliable, the second rod 22 is provided with a third threaded hole communicating with the first threaded hole 221; the third threaded hole is provided with a first threaded fastener 24; one end of the first threaded fastener 24 extends into the first threaded hole 221 and can be contacted and abutted with the first screw 23; when the rotary connector 25 is rotated to adjust the overall length to the required length, the first threaded fastener 24 can be rotated to tightly push the first screw 23, so that the first screw 23 and the second rod 22 are matched more firmly, and the overall reliability is improved.

Similarly, a fourth threaded hole communicated with the second threaded hole 321 is formed in the fourth rod 32; a second threaded fastener 34 is arranged on the fourth threaded hole; one end of the second threaded fastener 34 extends into the second threaded hole 321 and can contact and abut against the second screw 33.

Furthermore, in order to prevent the acting force generated by the direct contact and impact between the support rod 4 and the ground from being directly transmitted to the first connecting rod 2 and the second connecting rod 3, a plurality of buffers 7 are installed on the surface of the support rod 4 contacting the ground. The buffer 7 can absorb the acting force generated by the contact and collision between the support rod 4 and the ground, thereby prolonging the service life of the support rod 4, the first connecting rod 2 and the second connecting rod 3. In addition, in order to strengthen the connection between the first connecting rod 2 and the supporting rod 4, reinforcing rods 8 may be additionally disposed on two sides of the first connecting rod 2, one end of each reinforcing rod 8 is connected to the first connecting rod 2, and the other end is connected to the supporting rod 4, which is not limited specifically.

Further, the structural design of the buffer 7 includes a guide post 72, a fastening nut 71, a spring 73, and a support plate 74.

Wherein, the guide post 72 is movably arranged on the support rod 4 in a penetrating way, and one end of the guide post which penetrates out of the support rod 4 downwards is connected with the support plate 74; the support plate 74 may be in contact with the ground; the spring 73 is sleeved on the guide post 72 and is positioned between the support plate 74 and the support rod 4, one end of the spring is contacted and propped against the support plate 74, and the other end of the spring is contacted and propped against the support rod 4; the fastening nut 71 is fixedly sleeved on the column section of the guide column 72 extending upwards out of the support rod 4 and is contacted and pressed against the support rod 4. In the cushion member 7 of this design, when the tilting occurs, the support plate 74 contacts the ground, and the force generated by the contact is absorbed by the spring 73, thereby performing a cushioning effect.

As shown in fig. 1, the present application further discloses a switch cabinet, which includes a switch cabinet body and the anti-toppling device with the above design, wherein the switch cabinet body includes a cabinet body 100 and a handcart 200.

In addition, for the purposes of this application, the hand truck 200 may be redesigned to further promote anti-tip safety. Taking a model number of KYN-40.5 and an armored movable 35kV switch cabinet as an example:

1. for the handcart 200 with the vertical installation of PT (voltage transformer) as shown in fig. 4, the horizontal installation as shown in fig. 5 can be changed into the PT, so that the gravity center of PT is reduced, the gravity center of the handcart 200 is further reduced, and the dumping risk is reduced, namely the voltage transformer in the handcart 200 is arranged horizontally in the application. Meanwhile, the distance from the front wheel of the handcart 200 to the panel 201 can be synchronously reduced, and the wheel track is increased.

2. Aiming at the handcart 200 (the PT shared structure shown in fig. 6) with the PT installed vertically or horizontally, the isolation handcart 200 shown in fig. 7 can be changed, and the PT is adjusted to the cabinet body 100 and then fixedly installed, so that the weight of the handcart 200 is reduced. That is, handcart 200 is isolation handcart 200 in this application, and the PT fixed mounting in the cubical switchboard body is behind cabinet body 100.

Moreover, to the cubical switchboard body PT handcart cabinet, the circuit breaker handcart cabinet that the installation channel-section steel is higher than the bottom surface, increase the high-pressure chamber holding surface or prolong guide rail length, reduce the speed in order to slow down handcart 200 roll-off guide rail, do to fall the risk.

While the anti-toppling device and the switch cabinet provided in the present application have been described in detail, those skilled in the art will appreciate that the disclosure is not limited to the above embodiments, and that various modifications, additions, substitutions, and substitutions are possible, without departing from the scope and spirit of the disclosure.

Claims

1. An anti-toppling device is characterized by comprising a fixed seat (1), a first connecting rod (2) with adjustable length, a second connecting rod (3) with adjustable length, a supporting rod (4) and a falling protector (5);

the fixed seat (1) is arranged on a panel (201) of the handcart (200);

one end of the first connecting rod (2) is connected with the fixed seat (1), and the other end of the first connecting rod is far away from a panel (201) of the handcart (200) so that the first connecting rod (2) is obliquely distributed;

the support rod (4) is arranged in parallel to a panel (201) of the handcart (200) and is arranged at the other end of the first connecting rod (2);

one end of the second connecting rod (3) is connected with the supporting rod (4), and the other end of the second connecting rod is connected with a panel (201) of the handcart (200);

the falling protector (5) is arranged on a panel (201) of the fixed seat (1) or the handcart (200) and is connected with the cabinet body (100).

2. The anti-tipping device according to claim 1, characterized in that the fall arrester (5) comprises a fall arrester body (51), a first connecting hook (511) and a second connecting hook (512);

the first connecting hook (511) is connected with a safety rope of the falling protector body (51);

the second connecting hook (512) is connected with the shell of the falling protector body (51);

the device also comprises a first hanging ring (61) and a second hanging ring (62);

the first hanging ring (61) is mounted on the cabinet body (100) and is connected with the hook head of the first connecting hook (511);

the second hanging ring (62) is mounted on a panel (201) of the handcart (200) or the fixed seat (1) and connected to the hook head of the second connecting hook (512).

3. The anti-toppling device according to claim 2, characterized in that the number of second hanging loops (62) and the number of second connecting hooks (512) are both two;

the second hanging ring (62) is horizontally installed on a panel (201) of the handcart (200) or the fixed seat (1) at intervals and is connected with the hook heads of the second connecting hooks (512) in a one-to-one correspondence mode.

4. The anti-toppling device according to claim 2, characterized in that the first suspension loop (61) and the second suspension loop (62) are both threaded ball-head suspension loops.

5. The anti-toppling device according to claim 1, characterized in that one end of the first connecting rod (2) is hinged with the fixed seat (1);

one end of the second connecting rod (3) is hinged to the supporting rod (4), and the other end of the second connecting rod is detachably hinged to a panel (201) of the handcart (200).

6. The anti-tipping device according to claim 1, characterized in that the first connecting rod (2) comprises a first rod (21), a first screw (23) and a second rod (22);

one end of the first rod body (21) is connected with the fixed seat (1);

one end of the first screw rod (23) is rotatably connected with the first rod body (21) along the length direction of the first rod body (21);

one end of the second rod body (22) is provided with a first threaded hole (221) for the first screw rod (23) to extend into and to be in threaded fit with the first screw rod (23), and the other end of the second rod body (22) is connected with the supporting rod (4);

the second connecting rod (3) comprises a third rod body (31), a second screw rod (33) and a fourth rod body (32);

one end of the third rod body (31) is connected with a panel (201) of the handcart (200);

one end of the second screw (33) is rotatably connected with the third rod body (31) along the length direction of the third rod body (31);

one end of the fourth rod body (32) is provided with a second threaded hole (321) for the second screw rod (33) to extend into and be in threaded fit with the second screw rod (33), and the other end of the fourth rod body (32) is connected with the supporting rod (4).

7. The anti-toppling device according to claim 6, characterized in that the second rod body (22) is provided with a third threaded hole communicated with the first threaded hole (221);

a first threaded fastener (24) is arranged on the third threaded hole;

one end of the first threaded fastener (24) extends into the first threaded hole (221) and can be abutted against the first screw (23);

a fourth threaded hole communicated with the second threaded hole (321) is formed in the fourth rod body (32);

a second threaded fastener (34) is arranged on the fourth threaded hole;

one end of the second threaded fastener (34) extends into the second threaded hole (321) and can be abutted against the second screw (33).

8. The anti-toppling device according to claim 1, characterized in that a plurality of buffers (7) are mounted on the ground-contacting side of the support rod (4).

9. The anti-toppling device according to claim 8, characterized in that the buffer (7) comprises a guide post (72), a fastening nut (71), a spring (73), and a support plate (74);

the guide post (72) is movably arranged on the support rod (4) in a penetrating way, and one end of the guide post, which penetrates out of the support rod (4) downwards, is connected with the support plate (74);

the support plate (74) may be in contact with the ground;

the spring (73) is sleeved on the guide post (72) and positioned between the support plate (74) and the support rod (4), one end of the spring is in contact with and butts against the support plate (74), and the other end of the spring is in contact with and butts against the support rod (4);

the fastening nut (71) is fixedly sleeved on the column section of the guide column (72) which extends out of the support rod (4) upwards and is abutted with the support rod (4).

10. A switchgear cabinet comprising a switchgear cabinet body and an anti-toppling device according to any one of claims 1 to 9;

the switch cabinet body comprises a cabinet body (100) and a handcart (200).